CVE-2025-49959
📋 TL;DR
This vulnerability allows attackers to inject malicious scripts into web pages viewed by other users through improper input sanitization in the bbPress Move Topics WordPress plugin. It affects all WordPress sites running vulnerable versions of the plugin, potentially compromising user sessions and data.
💻 Affected Systems
- bbPress Move Topics WordPress Plugin
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Attackers could steal session cookies, redirect users to malicious sites, perform actions on behalf of authenticated users, or deface websites.
Likely Case
Session hijacking, credential theft, or malicious redirects affecting users who interact with the vulnerable plugin interface.
If Mitigated
Limited impact with proper Content Security Policy (CSP) headers and input validation in place.
🎯 Exploit Status
Reflected XSS typically requires user interaction but can be easily weaponized via phishing.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.1.7 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'bbPress Move Topics'. 4. Click 'Update Now' if available. 5. Alternatively, download latest version from WordPress repository and replace plugin files.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patched.
wp plugin deactivate bbp-move-topics
Implement CSP Headers
allAdd Content Security Policy headers to mitigate XSS impact.
Add to .htaccess: Header set Content-Security-Policy "default-src 'self'; script-src 'self'"
Or add to wp-config.php: header("Content-Security-Policy: default-src 'self'; script-src 'self'");
🧯 If You Can't Patch
- Remove the bbPress Move Topics plugin entirely from production systems.
- Implement web application firewall (WAF) rules to block XSS payloads targeting the plugin endpoints.
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for bbPress Move Topics version 1.1.6 or earlier.Check Version:
wp plugin get bbp-move-topics --field=versionVerify Fix Applied:
Verify plugin version is 1.1.7 or later in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual GET/POST requests containing script tags or JavaScript payloads to plugin endpoints
- Multiple failed XSS attempts in web server logs
Network Indicators:
- HTTP requests with suspicious parameters containing <script>, javascript:, or encoded payloads
SIEM Query:
source="web_server_logs" AND (uri="*bbp-move-topics*" AND (param="*<script>*" OR param="*javascript:*" OR param="*%3Cscript%3E*"))